To integrate wireless charging into compact electronics, IDT has introduced a wireless power reference kit. The Qi-basedtransmitter and receiver reference kit targets designs requiring 3W or less, such as smartwatches, headphones, health and fitness trackers and portable medical devices.
Weartech-Comms / Bluetooth / Wireless
Bluetooth Low Energy module claims to be world’s lowest power
Claimed to increase battery life by up to three times longer than other solutions on the market today, the low power Atmel SmartConnect XR and ZR modules consume less than 4mA in RX and less than 3mA in TX with 3.6V, and below 1.2µA in sleep mode.
NFC security module protects wearable devices
Fitness trackers and smart keys to chains, watches or wristbands are increasingly including mobile payment functionality, needing them to be equipped with security and NFC technologies. Infineon has launched an NFC security module series in collaboration with Beijing-based Mobile Payment Solutions (MPS). It is claimed to “significantly” reduce design efforts by bundling an Infineon security chip with NFC antenna components and software on a small PCB footprint. The smallest module of the series measures only 4.0 x 4.0mm.
NXP’s Bluetooth SoCs and development kit, shipping from Mouser Electronics
Low-power Bluetooth SoCs, the QN902x series, and the QN9020 Bluetooth development kit, by NXP Semiconductors, are available from Mouser Electronics. The integrated, ultra-low-power Bluetooth v4.0 Low Energy (BLE) SoCs can be used for Bluetooth Smart applications such as sports and fitness wearables, human interface devices, and app-enabled smart accessories. They integrate a high-performance 2.4GHz RF transceiver with a 32bit ARM Cortex-M0 microcontroller, 128kbytes of flash memory, and 64kbytes of system memory. In addition to the BLE radio and microcontroller, the SoCs incorporate the BLE protocol stack and profile software on a single chip.
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